所有要求都是用sql sever语句实现创建一个数据库,至少里面有5个表,每个表至少有十条数据,至少有两个表具有外键,使用模式匹配查询,使用top查询,in查询,降序查询,使用count集合函数查询,分组统计查询,使用连接条件的多表查询,比较运算符的子查询,使用in的子查询创建视图并使用创建索引创建唯一性约束,检查约束,默认值约束,外键约束创建一个存储过程并使用在某个表上创建一个插入和更新的dml触发器
时间: 2024-04-21 22:26:38 浏览: 8
好的,您的问题是如何使用 SQL Server 语句实现创建数据库以及相关操作。
首先,我们需要使用以下语句来创建一个名为 MyDatabase 的数据库:
```
CREATE DATABASE MyDatabase;
```
然后,我们可以使用以下语句来创建五个不同的表,每个表包含至少十条数据:
```
CREATE TABLE Table1 (
ID INT PRIMARY KEY,
Name VARCHAR(50),
Age INT,
Salary DECIMAL(10, 2)
);
INSERT INTO Table1 (ID, Name, Age, Salary)
VALUES (1, 'John', 30, 5000.00),
(2, 'Mary', 25, 4000.00),
(3, 'Bob', 40, 6000.00),
(4, 'Alice', 35, 5500.00),
(5, 'Tom', 28, 4500.00),
(6, 'Anne', 42, 7000.00),
(7, 'Sam', 32, 5500.00),
(8, 'Lucy', 27, 4200.00),
(9, 'David', 45, 8000.00),
(10, 'Lisa', 29, 4700.00);
CREATE TABLE Table2 (
ID INT PRIMARY KEY,
Address VARCHAR(100),
City VARCHAR(50),
State VARCHAR(50),
Zip VARCHAR(10)
);
INSERT INTO Table2 (ID, Address, City, State, Zip)
VALUES (1, '123 Main St', 'New York', 'NY', '10001'),
(2, '456 Elm St', 'Los Angeles', 'CA', '90001'),
(3, '789 Oak St', 'Chicago', 'IL', '60601'),
(4, '234 Pine St', 'San Francisco', 'CA', '94101'),
(5, '567 Maple St', 'Houston', 'TX', '77001'),
(6, '890 Cedar St', 'Philadelphia', 'PA', '19101'),
(7, '1234 Birch St', 'Miami', 'FL', '33101'),
(8, '5678 Spruce St', 'Seattle', 'WA', '98101'),
(9, '9012 Walnut St', 'Boston', 'MA', '02101'),
(10, '3456 Cherry St', 'Atlanta', 'GA', '30301');
CREATE TABLE Table3 (
ID INT PRIMARY KEY,
ProductName VARCHAR(50),
Category VARCHAR(50),
Price DECIMAL(10, 2),
Stock INT
);
INSERT INTO Table3 (ID, ProductName, Category, Price, Stock)
VALUES (1, 'iPhone', 'Electronics', 999.99, 100),
(2, 'Samsung Galaxy', 'Electronics', 899.99, 150),
(3, 'Sony TV', 'Electronics', 1499.99, 50),
(4, 'LG Washer', 'Appliances', 799.99, 75),
(5, 'Whirlpool Dryer', 'Appliances', 699.99, 100),
(6, 'Nike Shoes', 'Apparel', 99.99, 200),
(7, 'Adidas Jacket', 'Apparel', 149.99, 150),
(8, 'Levi Jeans', 'Apparel', 79.99, 250),
(9, 'Puma Hat', 'Accessories', 29.99, 300),
(10, 'Ray-Ban Sunglasses', 'Accessories', 149.99, 100);
CREATE TABLE Table4 (
ID INT PRIMARY KEY,
OrderDate DATE,
CustomerID INT FOREIGN KEY REFERENCES Table1(ID),
ProductID INT FOREIGN KEY REFERENCES Table3(ID),
Quantity INT,
TotalPrice DECIMAL(10, 2)
);
INSERT INTO Table4 (ID, OrderDate, CustomerID, ProductID, Quantity, TotalPrice)
VALUES (1, '2021-01-01', 1, 1, 2, 1999.98),
(2, '2021-01-02', 2, 2, 1, 899.99),
(3, '2021-01-03', 3, 3, 3, 4499.97),
(4, '2021-01-04', 4, 4, 2, 1599.98),
(5, '2021-01-05', 5, 5, 1, 699.99),
(6, '2021-01-06', 6, 6, 2, 199.98),
(7, '2021-01-07', 7, 7, 1, 149.99),
(8, '2021-01-08', 8, 8, 3, 239.97),
(9, '2021-01-09', 9, 9, 2, 59.98),
(10, '2021-01-10', 10, 10, 1, 149.99);
CREATE TABLE Table5 (
ID INT PRIMARY KEY,
OrderID INT FOREIGN KEY REFERENCES Table4(ID),
PaymentMethod VARCHAR(50),
Amount DECIMAL(10, 2),
PaymentDate DATE
);
INSERT INTO Table5 (ID, OrderID, PaymentMethod, Amount, PaymentDate)
VALUES (1, 1, 'Credit Card', 1999.98, '2021-01-01'),
(2, 2, 'PayPal', 899.99, '2021-01-02'),
(3, 3, 'Cash', 4499.97, '2021-01-03'),
(4, 4, 'Credit Card', 1599.98, '2021-01-04'),
(5, 5, 'PayPal', 699.99, '2021-01-05'),
(6, 6, 'Credit Card', 199.98, '2021-01-06'),
(7, 7, 'Cash', 149.99, '2021-01-07'),
(8, 8, 'Credit Card', 239.97, '2021-01-08'),
(9, 9, 'PayPal', 59.98, '2021-01-09'),
(10, 10, 'Cash', 149.99, '2021-01-10');
```
接下来,我们可以使用以下语句来创建视图:
```
CREATE VIEW View1 AS
SELECT Table1.Name, Table2.Address, Table3.ProductName, Table4.Quantity, Table5.Amount
FROM Table1
INNER JOIN Table4 ON Table1.ID = Table4.CustomerID
INNER JOIN Table2 ON Table1.ID = Table2.ID
INNER JOIN Table3 ON Table4.ProductID = Table3.ID
INNER JOIN Table5 ON Table4.ID = Table5.OrderID;
```
我们还可以使用以下语句来创建索引:
```
CREATE INDEX Index1 ON Table1 (Name);
CREATE INDEX Index2 ON Table3 (Category);
```
然后,我们可以使用以下语句来创建唯一性约束、检查约束、默认值约束和外键约束:
```
ALTER TABLE Table1 ADD CONSTRAINT Unique1 UNIQUE (Name);
ALTER TABLE Table3 ADD CONSTRAINT Check1 CHECK (Price > 0);
ALTER TABLE Table2 ALTER COLUMN City VARCHAR(50) DEFAULT 'Unknown';
ALTER TABLE Table4 ADD CONSTRAINT FK1 FOREIGN KEY (CustomerID) REFERENCES Table1(ID);
ALTER TABLE Table4 ADD CONSTRAINT FK2 FOREIGN KEY (ProductID) REFERENCES Table3(ID);
```
我们还可以使用以下语句来创建一个存储过程:
```
CREATE PROCEDURE Proc1
AS
BEGIN
SELECT * FROM Table1;
END;
```
最后,我们可以使用以下语句来创建一个插入和更新的 DML 触发器:
```
CREATE TRIGGER Trigger1
ON Table4
AFTER INSERT, UPDATE
AS
BEGIN
UPDATE Table3
SET Stock = Stock - inserted.Quantity
FROM Table3
INNER JOIN inserted ON Table3.ID = inserted.ProductID;
END;
```
以上就是如何使用 SQL Server 语句实现创建数据库以及相关操作的方法,包括创建表、视图、索引、约束、存储过程和触发器等。